Rakefile in ruby-mpfr-0.0.14 vs Rakefile in ruby-mpfr-0.0.15

@@ -1,2 +1,14 @@
 require "bundler/gem_tasks"
-require_relative 'lib/mpfr/rake_compile'
+
+require "extconf_task"
+ExtconfTask.new
+
+require "rspec/core/rake_task"
+RSpec::Core::RakeTask.new do |t|
+  t.pattern = 'spec/**/*_spec.rb'
+end
+
+require "yard"
+YARD::Rake::YardocTask.new do |t|
+  t.files = ["lib/**/*.rb", "lib/**/ext/**/*.c"]
+end